3111381

Appears in sequences

• a(n) = f(n,4) where f is given in A034261.at n=26A034264
• Expansion of g.f.: (1+4*x)/(1-x)^7.at n=25A051946
• a(n) = n*(n + 1)*(n + 2)*(n + 3)*(n^2 - n + 5)/120.at n=25A256860